Yes... It can be configured to recover from any cause using command you have
mentioned...
Regarding the attachment...
yusuf tries to explain the feature of recovery.. he says that you have an
option to configure the recovery cause to be any, however the question says
conditionally to recover it from bpdu cause... i mean the highlighted portion
in the attachement tells us just for the sake of knowledge that recovery cause
could be configured as any... but here the question demands only the recovery
cause to be bpduguard....
i understand that you are going deep into the questions line by line... word by
word... thats really good.... but sometimes this confuses... i would say that
its good to read the question in so detailed manner but try to keep the real
lab config as simple as possible... they do not ask anything which is
complicated....
when you would go for lab then you would understand that what we guys have been
practicing is beyond the ccie real lab... Good to gain knowledge... infact its
required to survive... but try not to complicate things... :-)
please correct me if i am wrong...
Date: Wed, 12 May 2010 14:15:22 +0530
Subject: Re: [OSL | CCIE_Security] errdisable recovery
From: [email protected]
To: [email protected]
CC: [email protected]
How do you configure the switch to recover an interface from error-disabled
state due to any reason. Is it the following command:
"errdisable recovery cause all"
This enables for all causes.
I have attached a file and just check the highlighted portion and let me know
what you understand
With regards
Kings
On Wed, May 12, 2010 at 1:45 PM, Sumit Mahla <[email protected]> wrote:
yes i saw that...
Conditionally means that it should only recover if disabled due to bpdu...
have look at the attachment.... it states this.....
Date: Wed, 12 May 2010 13:18:03 +0530
Subject: Re: [OSL | CCIE_Security] errdisable recovery
From: [email protected]
To: [email protected]
CC: [email protected]
Sumit, did you see the attachment that I have sent. Can you explain what does
actually mean by "conditionally"
On Wed, May 12, 2010 at 12:49 PM, Sumit Mahla <[email protected]> wrote:
Yes kings...........
Untill the recovery cause is mentioned it will not recover... it you only
mention the recovery cause... then it default time is 120 seconds....
you can change the recovery time but it will only come in effect when you
configure the cause...
Date: Wed, 12 May 2010 11:14:39 +0530
From: [email protected]
To: [email protected]
Subject: [OSL | CCIE_Security] errdisable recovery
Hi all
With this O/P, will bpduguard recover in 120 seconds automatically. Do we need
"errdisable recovery cause bpduguard"?
I have attached the task from Yusuf's practice lab.
I am posting this query regarding the task.
SW#sh errdisable recovery
ErrDisable Reason Timer Status
----------------- --------------
arp-inspection Disabled
bpduguard Disabled
channel-misconfig Disabled
dhcp-rate-limit Disabled
dtp-flap Disabled
gbic-invalid Disabled
l2ptguard Disabled
link-flap Disabled
mac-limit Disabled
link-monitor-failure Disabled
loopback Disabled
oam-remote-failure Disabled
pagp-flap Disabled
port-mode-failure Disabled
psecure-violation Disabled
security-violation Disabled
sfp-config-mismatch Disabled
storm-control Disabled
udld Disabled
unicast-flood Disabled
vmps Disabled
Timer interval: 120 seconds
Interfaces that will be enabled at the next timeout:
With regards
Kings
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